Z-steps
Russian translation: шаг смещения по оси Z
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| 18:05 Nov 17, 2017 |
| English to Russian translations [PRO] Science - Biology (-tech,-chem,micro-) / иммунология | |||||||
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|  Selected response from: Igor Andreev Local time: 02:03 | ||||||
Grading comment
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| Summary of answers provided | ||||
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| 4 | шаг увеличения |
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| 4 | шаг смещения по оси Z |
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| Summary of reference entries provided | |||
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| z-step |
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Answers
14 mins confidence: 
| z-steps шаг увеличения Explanation: наиболее вероятно что Z в данном случае сокращение от zoom 0.5-5 μm ***Z-steps*** were used > использовалось увеличение с шагом 0.5-5 μm === interface - How to change the amount of zoom from the scroll wheel ... https://blender.stackexchange.com/.../how-to-change-the-amou... Oct 11, 2015 - Ctrl Middle Click is for precise zooming. ... selected (or any vertices, edges or faces selected in Edit Mode) press Z to zoom to that selection |
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Notes to answerer
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4 hrs confidence:
| z-steps шаг смещения по оси Z Explanation: шаг/ шаг z-сканирования / шаг смещения по оси Z / шаг изменения положения объектива / ... речь идет об увеличении глубины резкости при микроскопии путем т.н. стекинга - сборки последовательных кадров сделанных или с разным фокусным расстоянием или с разного расстояния (последнее предпочтительнее) см. в книге z-сканирование и z-серии https://tinyurl.com/yceg5kt7 Пошаговое перемещение плоскости сканирования вдоль оси Z позволяет получить серию контрастных послойных изображений и реконструировать внутреннюю трехмерную структуру (3-D) исследуемого объекта. http://helpiks.org/7-374.html |
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Reference comments
4 hrs |
| Reference: z-step Reference information: Nyquist Sampling for Z stacks If information is to be preserved in all three dimensions, it is important that the images are collected with appropriate x, y and z dimensions. These dimensions are determined by the Nyquist sampling theorem which, in essence, says that, to resolve an object, we must sample that object 2.3 times more frequently than its dimensions. Another way to say this is that our voxel size needs to be a minimum of approximately 0.4 x the dimensions of that object. For example, if the theoretical resolution limit in the lateral (x,y) plane is 0.2μm, then we must use a pixel dimension of 0.2μm x 0.4 = 0.08μm (or 80nm) in that plane. Similarly, if the z dimension resolution limit is 0.5μm, then our best z step should be 0.5μm x 0.4 = 0.2μm (200nm). This means our final microscope setup should be collecting images with voxels that have dimensions of 0.08μm (x) x 0.08μm (y) x 0.2μm(z). Reference: http://www.ammrf.org.au/myscope/confocal/confocal/image/zsta... |
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